Invest Ksh 500,000 in Old Mutual MMF for 15 years.
At Old Mutual Money Market Fund's current net yield of 8.21% (after Kenya's 15% withholding tax), a Ksh 500,000 deposit grows to about Ksh 1,712,945 after 15 years — about Ksh 1,212,945 in interest, assuming daily compounding and no withdrawals.
Final balance
Ksh 1,712,945
3.43× your deposit
Deposited
Ksh 500,000
One-off, no withdrawals
Interest earned
Ksh 1,212,945
At 8.21% net p.a.
Year by year
vs keeping it in a bank savings account
The same Ksh 500,000 at Credit Bank's deposit rate of 12.68% would grow to about Ksh 3,316,381 over the same 15 years — that's -Ksh 1,603,436 less than Old Mutual Money Market Fund.